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The earliest pesticide was

$\begin{array}{1 1}(A)\;\text{Margosa}\\(B)\;\text{Pyrethrum}\\(C)\;\text{Nicotine}\\(D)\;\text{DDT}\end{array} $

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1 Answer

The earliest pesticide was margosa
Hence (A) is the correct answer.
answered Jul 16, 2014 by sreemathi.v
 
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